CN221236077U - Slope bearing platform anchor rod foundation - Google Patents
Slope bearing platform anchor rod foundation Download PDFInfo
- Publication number
- CN221236077U CN221236077U CN202322704193.6U CN202322704193U CN221236077U CN 221236077 U CN221236077 U CN 221236077U CN 202322704193 U CN202322704193 U CN 202322704193U CN 221236077 U CN221236077 U CN 221236077U
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- Prior art keywords
- bearing platform
- slope
- anchor
- foundation
- anchor rod
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- 239000011435 rock Substances 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000004873 anchoring Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses an anchor rod foundation of a slope bearing platform, which comprises an anchor rod, a bearing platform and a foundation main column; the inclined bearing platform is arranged on the slope surface and along the slope direction, one end of each anchor rod is anchored into the inclined bearing platform, and the other end of each anchor rod extends into the rock or soil layer; the top surface of the inclined bearing platform is provided with a foundation main column, foundation bolts are arranged in the foundation main column, and the foundation bolts are connected with the iron tower; the anchor rods are perpendicular to or obliquely arranged on the bottom surface of the inclined bearing platform. The utility model can eliminate the requirement of embedding rock of the conventional anchor rod bearing platform, reduce the embedding depth of the anchor rod base bearing platform, the amount of excavated earthwork and the height of the inner side slope, reduce the construction risk and greatly improve the application range, economy and environmental protection of the anchor rod base.
Description
Technical Field
The utility model belongs to the field of anchor rod foundations, and relates to a slope bearing platform anchor rod foundation.
Background
With the vigorous development of electric power industry in China, a large number of overhead transmission lines are built every year, most of the overhead transmission lines are located in mountain areas, the mountain area is limited in transportation conditions, the construction conditions are very severe, construction machinery cannot reach specific iron tower positions, foundations can only be in the form of manually digging foundation or manually digging piles, the foundation types are large in engineering quantity, a large amount of concrete and steel bars are consumed each year, personnel are required to work under pits, construction risks are large, and safety accidents frequently occur. In order to improve the situation, rock anchor rod foundations have been developed and are increasingly applied in transmission line engineering in recent years, as shown in fig. 1, but conventional rock anchor rod foundations cannot withstand horizontal loads due to the horizontal arrangement of a bearing platform and the vertical arrangement of an anchor rod, so that the bearing platform is required to be embedded into complete rock to resist the horizontal loads, and the upper part of the rock is often provided with covering soil layers with different thicknesses, so that in order to embed the bearing platform into the rock, earthwork needs to be excavated in a large amount within the scope of the bearing platform, a large amount of waste soil is caused, the ecological environment is destroyed, the amount of foundation engineering is increased, and a high side slope is formed on the uphill side, so that the rock anchor rod foundations are generally only used for towers with thinner covering soil layers on the upper surface and small ground slopes, and the application of the anchor rod foundations is limited to a large extent.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, provide the slope bearing platform anchor rod foundation, eliminate the requirement of conventional anchor bearing platform rock embedding, reduce the embedding depth of the anchor bearing platform, the amount of excavated earthwork and the height of the inner side slope, reduce the construction risk and greatly improve the application range, the economical efficiency and the environmental protection of the anchor bearing platform.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
The anchor rod foundation of the slope bearing platform comprises anchor rods, a bearing platform and a foundation main column;
The inclined bearing platform is arranged on the slope surface and along the slope direction, one end of each anchor rod is anchored into the inclined bearing platform, and the other end of each anchor rod extends into the rock or soil layer; the top surface of the inclined bearing platform is provided with a foundation main column, and the top surface of the foundation main column is horizontal;
The anchor rods are perpendicular to or obliquely arranged on the bottom surface of the inclined bearing platform.
Preferably, the anchor rod forms an included angle of 45-90 degrees with the bottom surface of the inclined bearing platform.
Preferably, the inclined bearing platform is a cuboid, one side of the top surface is parallel to the direction of the power transmission line, and the other side of the top surface is perpendicular to the direction of the power transmission line.
Preferably, the inclined bearing platform is a cylinder.
Preferably, the inclined bearing platform is cuboid, and the top surface edge and the direction of the power transmission line form an included angle of 45 degrees.
Preferably, the inclined bearing platform is a lattice beam structure formed by longitudinal lattice beams and transverse lattice beams, anchor rods are arranged at the intersections of the longitudinal lattice beams and the transverse lattice beams, and vegetation is planted in the gaps between the lattice beams.
Preferably, the base main column increases in cross-sectional dimension from top to bottom.
Preferably, the cross-sectional dimension of the base main column remains unchanged from top to bottom.
Preferably, the foundation main column is arranged at the eccentric position of the inclined bearing platform and is close to the action point of all the anchor rods.
Preferably, the inclined bearing platform is cuboid, the top surface edge and the transmission line direction form an included angle of 45 degrees, and the foundation main column is arranged at the eccentric position of the inclined bearing platform and is close to all anchor rod combined force acting points.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the inclined bearing platforms are arranged in parallel along the slope, and the anchor rods with different angles are arranged to bear external loads in all directions, so that the requirement that the bearing platforms must be embedded into bedrock is avoided, the embedded depth of the inclined bearing platforms and the excavation earthwork of the foundation pit are effectively reduced, the influence of the height of the side slope of the upward slope on the original ground and the waste engineering quantity are reduced, the construction risk is reduced, the application range of the anchor rod foundation is greatly improved, and the economical efficiency and the environmental protection performance of the anchor rod foundation are improved.
Further, the top edge of the inclined bearing platform forms an included angle of 45 degrees with the direction of the power transmission line, so that the non-uniformity of stress among the anchor rods is reduced.
Furthermore, the inclined bearing platform is of a lattice beam structure, and vegetation is planted in gaps between the beam grids, so that the environment can be protected.
Further, the cross section size of the foundation main column is gradually increased from top to bottom, and the stability of the foundation main column is improved.
Further, the foundation main columns are eccentrically arranged and arranged at the center positions of stress of all the anchor rods, namely, the bearing platforms are offset towards the opposite direction of the center of the tower, so that the non-uniformity of stress of the anchor rods is reduced.
Drawings
FIG. 1 is a schematic structural view of a conventional anchor foundation;
FIG. 2 is a schematic structural view of a slope abutment anchor foundation according to the present utility model;
FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic diagram showing the rotation of the ramp according to the present utility model;
FIG. 5 is a schematic view of a lattice beam structure of an inclined platform according to the present utility model;
FIG. 6 is a schematic illustration of a dimensional changing base main column of the present utility model;
FIG. 7 is a schematic view of the eccentric arrangement of the foundation main column of the present utility model;
FIG. 8 is a schematic diagram of a basic main column eccentrically arranged inclined table rotating structure.
Wherein: 10-anchor rod; 20-an inclined bearing platform; 30-a foundation main column; 40-anchor bolts; 11-anchor bars; 201-longitudinal lattice beams; 202-transverse lattice beams; 203-beam lattice gaps; 31-vertical stress steel bars; 32-oblique stirrups.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In fig. 1, 2 and 6, a black thick solid line is a stratum boundary, an area A is an overburden layer, an area B is a base stratum, a foundation pit excavation line is C, and h is the depth of an embedded base stratum.
As shown in fig. 2, the anchor rod foundation of the slope bearing platform of the present utility model includes: anchor bar 10, ramp 20 and foundation main column 30.
The inclined bearing platform 20 is arranged on the slope and along the slope direction, the inclined bearing platform 20 is arranged along the slope according to the mountain terrain, all or part of the inclined bearing platform 20 is embedded in the rock or soil layer, the depth of the inclined bearing platform 20 embedded in the rock or soil layer is 1-3m, one end of each anchor rod 10 is anchored into the inclined bearing platform 20, and the other end extends into the rock or soil layer; the top surface of the inclined bearing platform 20 is provided with a foundation main column 30, and the top surface of the foundation main column 30 is horizontal.
As an alternative implementation manner, the number of the anchor rods is determined according to stress analysis, and the anchor rods can be arranged in m rows and m columns in the positive direction, such as 3 rows and 3 columns, 4 rows and 4 columns, and the like; or arranged in m rows and n columns in a rectangle, such as 4 rows and 3 columns, 5 rows and 4 columns, etc.
The anchoring length is determined according to the anchoring length of the steel bar, and mechanical anchoring, bending and other measures can be adopted to reduce the anchoring length.
The anchor rod 10 is perpendicular to the bottom surface of the inclined bearing platform 20 or is obliquely arranged, and the anchor rod 10 and the bottom surface of the inclined bearing platform 20 form an included angle of 45-90 degrees.
As an alternative embodiment, the anchor rods 10 near the center of the bottom surface of the inclined bearing platform 20 are perpendicular to the bottom surface of the inclined bearing platform 20, and the anchor rods 10 near the edge of the inclined bearing platform 20 are inclined outwards and form an included angle of 5-40 degrees with the anchor rods 10 near the center of the inclined bearing platform 20.
The center of the anchor rod 10 is provided with an anchor rib 11, the anchor rib is inserted into an anchor hole, fine stone concrete or grouting materials are adopted for filling, the anchor rod 10 is formed, and the upper reserved anchor end of the anchor rod 10 is anchored into the inclined bearing platform 20.
The anchor bars 11 are spiral steel bars, section steel or ropes so as to achieve higher structural strength.
The sloping platform 20 is arranged along the slope according to the mountain terrain, is 0-20 degrees relative to the slope, the uphill side is excavated according to the thickness of the covered soil layer, the downhill side sloping platform 20 is excavated and formed, the undisturbed soil is utilized to resist the load of the part along the slope downwards, the anchor rods 10 are arranged at the bottom of the platform, the foundation main columns 30 are arranged at the upper part of the anchor rods, and the section size of the sloping platform 20 is designed according to the arrangement interval of the anchor rods 10 and the external load mechanics analysis.
As an alternative embodiment, the ramp 20 is generally rectangular and has a rectangular top surface with one side parallel to the line direction and the other side perpendicular to the line direction, as shown in fig. 3.
As an alternative embodiment, the ramp 20 may also be cylindrical.
As an alternative embodiment, the ramp 20 may be rotated 45 degrees based on the previous embodiment to reduce the non-uniformity of force between anchors 10, as shown in FIG. 4.
As an alternative embodiment, the inclined bearing platform 20 may be formed by cast-in-situ reinforced concrete or precast concrete or steel structural members; when cast-in-situ reinforced concrete is adopted, the top surface and the bottom surface of the inclined bearing platform 20 are longitudinally provided with stress steel bars 21 and transversely provided with stress steel bars 21.
As an alternative embodiment, the inclined platform 20 may be formed by using a longitudinal lattice beam 201 and a transverse lattice beam 202, and the anchor rods 10 are arranged at the intersections of the longitudinal lattice beam 201 and the transverse lattice beam 202, and vegetation is planted in the beam lattice gaps 203, so as to protect the environment, as shown in fig. 5.
The foundation main column 30 is arranged above the inclined bearing platform 20, is connected with the inclined bearing platform 20 into a whole, and is connected with the iron tower into a whole through the built-in foundation bolts 40.
As an alternative embodiment, the base main column 30 is generally vertical and has a top surface that is horizontal to facilitate connection to the pylon; the lower end is connected with the inclined bearing platform 20.
As an alternative embodiment, the base main column 30 adopts a hexahedral structure having a rectangular cross section, and may take a constant size cross section or a gradually increasing cross section from top to bottom, as shown in fig. 6.
As an alternative embodiment, the foundation main column 30 may be cast-in-place concrete, precast concrete, or steel members.
As an optional implementation manner, when the foundation main column 30 adopts cast-in-place concrete, the vertical stress steel bars 31 and the horizontal or oblique stirrups 32 are arranged inside, the foundation bolts 40 are pre-embedded in the foundation main column, and the pre-embedded length should meet the anchoring requirement of the foundation bolts 40.
As an alternative embodiment, the foundation main column 30 is arranged in the middle of the ramp 20.
As an alternative embodiment, the main foundation column 30 is arranged eccentrically according to mechanical analysis and is arranged at the center of stress of all anchors, that is, the inclined bearing platform 20 is shifted to the opposite direction to the center of the tower, so as to reduce the non-uniformity of the stress of the anchors 10. As shown in fig. 7.
As an alternative embodiment, the inclined bearing platform 20 may rotate 45 °, or the base main column 30 may be eccentrically arranged according to mechanical analysis, and be disposed at the center of the stress of all the anchors 10, that is, the bearing platform is offset in the opposite direction to the center of the tower, so as to reduce the non-uniformity of the stress of the anchors 10, and further optimize the inclined bearing platform 20 outside the influence range of the base main column 30 into a lattice beam system, as shown in fig. 8.
One end of the foundation bolt 40 is pre-buried in the foundation main column, and an exposed part is reserved for connecting the iron tower.
As an alternative embodiment, the anchor bolts 40 may be centrally disposed within the foundation column 30, or may be eccentrically disposed, i.e., offset toward the center of the tower, based on mechanical analysis to reduce non-uniformity in the stresses on the foundation column 30.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the patent should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant not be considered to be a part of the disclosed subject matter.
Claims (10)
1. The anchor rod foundation of the slope bearing platform is characterized by comprising an anchor rod (10), a bearing platform (20) and a foundation main column (30);
The inclined bearing platform (20) is arranged on the slope surface and is arranged along the slope direction, one end of each anchor rod (10) is anchored into the inclined bearing platform (20), and the other end extends into the rock or soil layer; the top surface of the inclined bearing platform (20) is provided with a basic main column (30), and the top surface of the basic main column (30) is horizontal;
The anchor rod (10) is perpendicular to or obliquely arranged on the bottom surface of the inclined bearing platform (20).
2. A slope platform anchor bar foundation according to claim 1, characterized in that the anchor bar (10) forms an angle of 45 ° -90 ° with the bottom surface of the platform (20).
3. Slope ramp anchor bar foundation according to claim 1, characterized in that the ramp (20) is cuboid with one side parallel to the transmission line direction and the other side perpendicular to the transmission line direction.
4. Slope bearing platform anchor bar foundation according to claim 1, characterized in that the bearing platform (20) is cuboid, the top edge forms an angle of 45 ° with the direction of the transmission line.
5. Slope bearing platform anchor foundation according to claim 1, characterized in that the bearing platform (20) is a cylinder.
6. Slope ramp anchor bar foundation according to claim 1, characterized in that the ramp (20) is composed of longitudinal lattice beams (201) and transverse lattice beams (202) forming a lattice beam structure, anchor bars (10) are arranged at the intersections of the longitudinal lattice beams (201) and the transverse lattice beams (202), and vegetation is planted in the beam lattice gaps (203).
7. Slope cap anchor bar foundation according to claim 1, characterized in that the base main column (30) increases in cross-sectional dimension from top to bottom.
8. Slope cap anchor bar foundation according to claim 1, characterized in that the cross-sectional dimensions of the foundation main column (30) from top to bottom remain unchanged.
9. Slope bearing platform anchor bar foundation according to claim 1, characterized in that the foundation main column (30) is arranged at the eccentric position of the bearing platform (20) and is close to the point of action of the combined forces of all the anchor bars (10).
10. The slope bearing platform anchor rod foundation according to claim 1, characterized in that the bearing platform (20) is cuboid, the top surface edge forms an included angle of 45 degrees with the direction of the power transmission line, and the foundation main column (30) is arranged at the eccentric position of the bearing platform (20) and is close to the action point position of the combined force of all the anchor rods (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322704193.6U CN221236077U (en) | 2023-10-09 | 2023-10-09 | Slope bearing platform anchor rod foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322704193.6U CN221236077U (en) | 2023-10-09 | 2023-10-09 | Slope bearing platform anchor rod foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221236077U true CN221236077U (en) | 2024-06-28 |
Family
ID=91614958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322704193.6U Active CN221236077U (en) | 2023-10-09 | 2023-10-09 | Slope bearing platform anchor rod foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221236077U (en) |
-
2023
- 2023-10-09 CN CN202322704193.6U patent/CN221236077U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |